2 Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file test/frame_rate_test.cc
21 * @brief Tests for FrameRateChange and the computation of the best
22 * frame rate for the DCP.
25 #include <boost/test/unit_test.hpp>
27 #include "lib/config.h"
28 #include "lib/ffmpeg_content.h"
29 #include "lib/playlist.h"
30 #include "lib/ffmpeg_audio_stream.h"
33 using boost::shared_ptr;
35 /* Test Playlist::best_dcp_frame_rate and FrameRateChange
36 with a single piece of content.
38 BOOST_AUTO_TEST_CASE (best_dcp_frame_rate_test_single)
40 shared_ptr<Film> film = new_test_film ("best_dcp_frame_rate_test_single");
41 /* Get any piece of content, it doesn't matter what */
42 shared_ptr<FFmpegContent> content (new FFmpegContent (film, "test/data/test.mp4"));
43 film->add_content (content);
46 /* Run some tests with a limited range of allowed rates */
52 Config::instance()->set_allowed_dcp_frame_rates (afr);
54 content->_video_frame_rate = 60;
55 int best = film->playlist()->best_dcp_frame_rate ();
56 FrameRateChange frc = FrameRateChange (60, best);
57 BOOST_CHECK_EQUAL (best, 30);
58 BOOST_CHECK_EQUAL (frc.skip, true);
59 BOOST_CHECK_EQUAL (frc.repeat, 1);
60 BOOST_CHECK_EQUAL (frc.change_speed, false);
61 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
63 content->_video_frame_rate = 50;
64 best = film->playlist()->best_dcp_frame_rate ();
65 frc = FrameRateChange (50, best);
66 BOOST_CHECK_EQUAL (best, 25);
67 BOOST_CHECK_EQUAL (frc.skip, true);
68 BOOST_CHECK_EQUAL (frc.repeat, 1);
69 BOOST_CHECK_EQUAL (frc.change_speed, false);
70 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
72 content->_video_frame_rate = 48;
73 best = film->playlist()->best_dcp_frame_rate ();
74 frc = FrameRateChange (48, best);
75 BOOST_CHECK_EQUAL (best, 24);
76 BOOST_CHECK_EQUAL (frc.skip, true);
77 BOOST_CHECK_EQUAL (frc.repeat, 1);
78 BOOST_CHECK_EQUAL (frc.change_speed, false);
79 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
81 content->_video_frame_rate = 30;
82 best = film->playlist()->best_dcp_frame_rate ();
83 frc = FrameRateChange (30, best);
84 BOOST_CHECK_EQUAL (best, 30);
85 BOOST_CHECK_EQUAL (frc.skip, false);
86 BOOST_CHECK_EQUAL (frc.repeat, 1);
87 BOOST_CHECK_EQUAL (frc.change_speed, false);
88 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
90 content->_video_frame_rate = 29.97;
91 best = film->playlist()->best_dcp_frame_rate ();
92 frc = FrameRateChange (29.97, best);
93 BOOST_CHECK_EQUAL (best, 30);
94 BOOST_CHECK_EQUAL (frc.skip, false);
95 BOOST_CHECK_EQUAL (frc.repeat, 1);
96 BOOST_CHECK_EQUAL (frc.change_speed, true);
97 BOOST_CHECK_CLOSE (frc.speed_up, 30 / 29.97, 0.1);
99 content->_video_frame_rate = 25;
100 best = film->playlist()->best_dcp_frame_rate ();
101 frc = FrameRateChange (25, best);
102 BOOST_CHECK_EQUAL (best, 25);
103 BOOST_CHECK_EQUAL (frc.skip, false);
104 BOOST_CHECK_EQUAL (frc.repeat, 1);
105 BOOST_CHECK_EQUAL (frc.change_speed, false);
106 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
108 content->_video_frame_rate = 24;
109 best = film->playlist()->best_dcp_frame_rate ();
110 frc = FrameRateChange (24, best);
111 BOOST_CHECK_EQUAL (best, 24);
112 BOOST_CHECK_EQUAL (frc.skip, false);
113 BOOST_CHECK_EQUAL (frc.repeat, 1);
114 BOOST_CHECK_EQUAL (frc.change_speed, false);
115 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
117 content->_video_frame_rate = 14.5;
118 best = film->playlist()->best_dcp_frame_rate ();
119 frc = FrameRateChange (14.5, best);
120 BOOST_CHECK_EQUAL (best, 30);
121 BOOST_CHECK_EQUAL (frc.skip, false);
122 BOOST_CHECK_EQUAL (frc.repeat, 2);
123 BOOST_CHECK_EQUAL (frc.change_speed, true);
124 BOOST_CHECK_CLOSE (frc.speed_up, 15 / 14.5, 0.1);
126 content->_video_frame_rate = 12.6;
127 best = film->playlist()->best_dcp_frame_rate ();
128 frc = FrameRateChange (12.6, best);
129 BOOST_CHECK_EQUAL (best, 25);
130 BOOST_CHECK_EQUAL (frc.skip, false);
131 BOOST_CHECK_EQUAL (frc.repeat, 2);
132 BOOST_CHECK_EQUAL (frc.change_speed, true);
133 BOOST_CHECK_CLOSE (frc.speed_up, 25 / 25.2, 0.1);
135 content->_video_frame_rate = 12.4;
136 best = film->playlist()->best_dcp_frame_rate ();
137 frc = FrameRateChange (12.4, best);
138 BOOST_CHECK_EQUAL (best, 25);
139 BOOST_CHECK_EQUAL (frc.skip, false);
140 BOOST_CHECK_EQUAL (frc.repeat, 2);
141 BOOST_CHECK_EQUAL (frc.change_speed, true);
142 BOOST_CHECK_CLOSE (frc.speed_up, 25 / 24.8, 0.1);
144 content->_video_frame_rate = 12;
145 best = film->playlist()->best_dcp_frame_rate ();
146 frc = FrameRateChange (12, best);
147 BOOST_CHECK_EQUAL (best, 24);
148 BOOST_CHECK_EQUAL (frc.skip, false);
149 BOOST_CHECK_EQUAL (frc.repeat, 2);
150 BOOST_CHECK_EQUAL (frc.change_speed, false);
151 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
153 /* Now add some more rates and see if it will use them
154 in preference to skip/repeat.
160 Config::instance()->set_allowed_dcp_frame_rates (afr);
162 content->_video_frame_rate = 60;
163 best = film->playlist()->best_dcp_frame_rate ();
164 frc = FrameRateChange (60, best);
165 BOOST_CHECK_EQUAL (best, 60);
166 BOOST_CHECK_EQUAL (frc.skip, false);
167 BOOST_CHECK_EQUAL (frc.repeat, 1);
168 BOOST_CHECK_EQUAL (frc.change_speed, false);
169 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
171 content->_video_frame_rate = 50;
172 best = film->playlist()->best_dcp_frame_rate ();
173 frc = FrameRateChange (50, best);
174 BOOST_CHECK_EQUAL (best, 50);
175 BOOST_CHECK_EQUAL (frc.skip, false);
176 BOOST_CHECK_EQUAL (frc.repeat, 1);
177 BOOST_CHECK_EQUAL (frc.change_speed, false);
178 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
180 content->_video_frame_rate = 48;
181 best = film->playlist()->best_dcp_frame_rate ();
182 frc = FrameRateChange (48, best);
183 BOOST_CHECK_EQUAL (best, 48);
184 BOOST_CHECK_EQUAL (frc.skip, false);
185 BOOST_CHECK_EQUAL (frc.repeat, 1);
186 BOOST_CHECK_EQUAL (frc.change_speed, false);
187 BOOST_CHECK_CLOSE (frc.speed_up, 1, 0.1);
189 /* Check some out-there conversions (not the best) */
191 frc = FrameRateChange (14.99, 24);
192 BOOST_CHECK_EQUAL (frc.skip, false);
193 BOOST_CHECK_EQUAL (frc.repeat, 2);
194 BOOST_CHECK_EQUAL (frc.change_speed, true);
195 BOOST_CHECK_CLOSE (frc.speed_up, 24 / (2 * 14.99), 0.1);
197 /* Check some conversions with limited DCP targets */
201 Config::instance()->set_allowed_dcp_frame_rates (afr);
203 content->_video_frame_rate = 25;
204 best = film->playlist()->best_dcp_frame_rate ();
205 frc = FrameRateChange (25, best);
206 BOOST_CHECK_EQUAL (best, 24);
207 BOOST_CHECK_EQUAL (frc.skip, false);
208 BOOST_CHECK_EQUAL (frc.repeat, 1);
209 BOOST_CHECK_EQUAL (frc.change_speed, true);
210 BOOST_CHECK_CLOSE (frc.speed_up, 24.0 / 25, 0.1);
213 /* Test Playlist::best_dcp_frame_rate and FrameRateChange
214 with two pieces of content.
216 BOOST_AUTO_TEST_CASE (best_dcp_frame_rate_test_double)
218 shared_ptr<Film> film = new_test_film ("best_dcp_frame_rate_test_double");
219 /* Get any old content, it doesn't matter what */
220 shared_ptr<FFmpegContent> A (new FFmpegContent (film, "test/data/test.mp4"));
221 film->add_content (A);
222 shared_ptr<FFmpegContent> B (new FFmpegContent (film, "test/data/test.mp4"));
223 film->add_content (B);
226 /* Run some tests with a limited range of allowed rates */
232 Config::instance()->set_allowed_dcp_frame_rates (afr);
234 A->_video_frame_rate = 30;
235 B->_video_frame_rate = 24;
236 BOOST_CHECK_EQUAL (film->playlist()->best_dcp_frame_rate(), 25);
240 BOOST_AUTO_TEST_CASE (audio_sampling_rate_test)
242 shared_ptr<Film> film = new_test_film ("audio_sampling_rate_test");
243 /* Get any piece of content, it doesn't matter what */
244 shared_ptr<FFmpegContent> content (new FFmpegContent (film, "test/data/test.mp4"));
245 film->examine_and_add_content (content);
252 Config::instance()->set_allowed_dcp_frame_rates (afr);
254 content->_video_frame_rate = 24;
255 film->set_video_frame_rate (24);
256 content->set_audio_stream (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream ("a", 42, 48000, 0)));
257 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 48000);
259 content->set_audio_stream (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream ("a", 42, 44100, 0)));
260 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 48000);
262 content->set_audio_stream (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream ("a", 42, 80000, 0)));
263 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 96000);
265 content->_video_frame_rate = 23.976;
266 film->set_video_frame_rate (24);
267 content->set_audio_stream (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream ("a", 42, 48000, 0)));
268 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 47952);
270 content->_video_frame_rate = 29.97;
271 film->set_video_frame_rate (30);
272 BOOST_CHECK_EQUAL (film->video_frame_rate (), 30);
273 content->set_audio_stream (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream ("a", 42, 48000, 0)));
274 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 47952);
276 content->_video_frame_rate = 25;
277 film->set_video_frame_rate (24);
278 content->set_audio_stream (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream ("a", 42, 48000, 0)));
279 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 50000);
281 content->_video_frame_rate = 25;
282 film->set_video_frame_rate (24);
283 content->set_audio_stream (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream ("a", 42, 44100, 0)));
284 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), 50000);
286 /* Check some out-there conversions (not the best) */
288 content->_video_frame_rate = 14.99;
289 film->set_video_frame_rate (25);
290 content->set_audio_stream (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream ("a", 42, 16000, 0)));
291 /* The FrameRateChange within resampled_audio_frame_rate should choose to double-up
292 the 14.99 fps video to 30 and then run it slow at 25.
294 BOOST_CHECK_EQUAL (content->resampled_audio_frame_rate(), rint (48000 * 2 * 14.99 / 25));